{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T04:17:07Z",
  "source": "Assay Systems register, https://assay-systems.com/register/",
  "access_notice": "On 15 November 2026, automated access to assay-systems.com closes. After that date, access is available only under a paid annual subscription contract. Contact: contact@assay-systems.com",
  "data": {
    "id": "ASY-CA-1HJJTCQ098",
    "type": "page",
    "country": "ca",
    "name": "RDH BUILDING SCIENCE INC: public contracts won without a rival in Canada",
    "url": "https://assay-systems.com/register/ca/uncontested/s/rdh-building-science-inc/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 41,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 79,
        "unit": "percent",
        "display": "79%"
      },
      {
        "label": "without a competition",
        "value": 9,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 32,
        "unit": "count"
      }
    ],
    "text": [
      "RDH BUILDING SCIENCE INC won 41 of its 52 public contract awards in Canada without a rival from 2022-01-28 to 2026-04-20, worth $1.5M: 9 without a competition and 32 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Natural Resources Canada with 30."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-04-20",
          "Buyer": "Natural Resources Canada C-2026-2027-Q1-00052",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/natural-resources-canada/",
          "How": "Single bid OB",
          "Value": "$39.4K",
          "Stated reason": "00"
        },
        {
          "Date": "2026-02-10",
          "Buyer": "Public Services and Procurement Canada C-2025-2026-Q4-01142",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/public-services-and-procurement-canada/",
          "How": "Single bid TC",
          "Value": "$76.9K",
          "Stated reason": "00"
        },
        {
          "Date": "2025-11-18",
          "Buyer": "Natural Resources Canada C-2025-2026-Q3-00330",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/natural-resources-canada/",
          "How": "Single bid OB",
          "Value": "$31.9K",
          "Stated reason": "00"
        },
        {
          "Date": "2025-10-14",
          "Buyer": "Public Services and Procurement Canada C-2025-2026-Q4-00341",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/public-services-and-procurement-canada/",
          "How": "Single bid TC",
          "Value": "$130K",
          "Stated reason": "00"
        },
        {
          "Date": "2025-10-07",
          "Buyer": "Natural Resources Canada C-2025-2026-Q3-00058",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/natural-resources-canada/",
          "How": "Single bid OB",
          "Value": "$16.0K",
          "Stated reason": "00"
        },
        {
          "Date": "2025-09-29",
          "Buyer": "Natural Resources Canada C-2025-2026-Q2-00331",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/natural-resources-canada/",
          "How": "Single bid OB",
          "Value": "$20.1K",
          "Stated reason": "00"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/ca/rdh-building-science-inc/"
      },
      {
        "name": "Natural Resources Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/b/natural-resources-canada/"
      },
      {
        "name": "Public Services and Procurement Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/b/public-services-and-procurement-canada/"
      },
      {
        "name": "National Research Council Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/b/national-research-council-canada/"
      },
      {
        "name": "Fisheries and Oceans Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/b/fisheries-and-oceans-canada/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-CA-1HJJTCQ098",
    "cite_as": "Assay Systems, \"RDH BUILDING SCIENCE INC: public contracts won without a rival in Canada\", https://assay-systems.com/register/ca/uncontested/s/rdh-building-science-inc/"
  }
}